298666928 has 40 divisors (see below), whose sum is σ = 696145920. Its totient is φ = 121262400.

The previous prime is 298666889. The next prime is 298666943. The reversal of 298666928 is 829666892.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68048 + ... + 72303.

It is an arithmetic number, because the mean of its divisors is an integer number (17403648).

Almost surely, 2^298666928 is an apocalyptic number.

298666928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

298666928 is an abundant number, since it is smaller than the sum of its proper divisors (397478992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298666928 is a wasteful number, since it uses less digits than its factorization.

298666928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140385 (or 140379 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 298666928 is about 17281.9827566168. The cubic root of 298666928 is about 668.4399196235.

The spelling of 298666928 in words is "two hundred ninety-eight million, six hundred sixty-six thousand, nine hundred twenty-eight".